Purchase this product on Amazon via: www.amazon.com/dp/B01MSTPCYG
1.9L*12H*4W inches (23*30*10cm)
2.Multiple storage compartments.You can wear sunglasses, a phone, a headset, a key, a wallet, etc.
3.High quality nylon breast pocket: light, sturdy and waterproof.Straps and back pads are breathable mesh to make you more comfortable.In the front pocket, there is a lock to protect important items and to increase the safety of the pack.
4.An unbalanced backpack style: flexible, practical, with a variety of colors to choose from.Suitable for daily use and outdoor exercise;The belt is freely adjustable, suitable for all kinds of body types.
5.Free your hands, keep your things in order, and get out of the house more easily.Please refer to the size table before ordering. (the size table is for reference only. If there is any error, it is normal range.)